How to convert miles per gallon (us) to liters per 100 km
- Type the value in miles per gallon (us) (mpg) in the box above.
- The result in liters per 100 km appears instantly, along with the same value in every other unit of fuel economy.
- Press ⇄ to convert the other way.
Formula
L/100 km = 235.215 ÷ US mpg. Example: 30 mpg = 7.84049 L/100 km.
Miles per gallon to litres per 100 km is useful when comparing cars across countries. The two measures are inverses: mpg is distance per fuel (higher is better), while L/100 km is fuel per distance (lower is better). Divide 235.215 by US mpg. UK mpg uses the bigger imperial gallon, so divide 282.481 by UK mpg instead; the converter has both.
mpg to L/100 km conversion chart
| Miles per gallon (US) | Liters per 100 km |
|---|---|
| 10 mpg | 23.5215 L/100 km |
| 15 mpg | 15.681 L/100 km |
| 20 mpg | 11.7607 L/100 km |
| 25 mpg | 9.40858 L/100 km |
| 30 mpg | 7.84049 L/100 km |
| 35 mpg | 6.72042 L/100 km |
| 40 mpg | 5.88036 L/100 km |
| 45 mpg | 5.22699 L/100 km |
| 50 mpg | 4.70429 L/100 km |
| 60 mpg | 3.92024 L/100 km |
FAQ
What is 30 mpg in L/100 km?
30 US mpg is 7.84 L/100 km; 30 UK mpg is 9.42 L/100 km.
How do I convert mpg to L/100 km?
Use L/100 km = 235.215 ÷ US mpg. Or type the value above and the converter does it for you.
How do I convert L/100 km back to mpg?
The formula is its own inverse: divide 235.215 by the L/100 km figure to get US mpg.